Home / 874,326.65-1,311,609.23-305,575.73

Finding the Fourth Proportional to 874,326.65, 1,311,609.23 and 305,575.73

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Solution

The fourth proportional to 874,326.65, 1,311,609.23 and 305,575.73 is: 458,405.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,326.65 : 1,311,609.23 = 305,575.73 : x
  2. Step 2: Convert to fraction form
    874,326.65/1,311,609.23 = 305,575.73/x
  3. Step 3: Cross multiply
    874,326.65x = 1,311,609.23 × 305,575.73
  4. Step 4: Simplify right side
    874,326.65x = 400,795,939,846.06
  5. Step 5: Solve for x
    x = 400,795,939,846.06/874,326.65
  6. Step 6: Final answer
    x = 458,405.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.